Problems from Spotify Challenge 2011

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
All Just A Dream 1627 377 23% 0.05 253 179 71% 6.5
Cat Coat Colors 165 71 43% 0.00 65 58 89% 3.4
Imperial Measurement 1259 575 46% 0.00 524 483 92% 2.0
Peer Streaming 23 9 39% 0.04 13 9 69% 6.9
Playlist 239 40 17% 1.09 25 11 44% 9.0
Primary Register 963 591 61% 0.00 511 478 94% 2.0
Square Pie 371 147 40% 0.07 36 27 75% 6.3
Wheel Game 31 10 32% 0.00 13 10 77% 6.7